1)Certification: EN-71,ASTM 3)self-inking stamp pen with bubble and light
2)material: ABS AS PP

These multifunctional pens have 4 functions. It is a ballpoint pen that lights up
when you write. There is a bubble chamber for blowing bubbles, and the top of the
pen is a self-inking stamper. The pen barrels, sticker label and the stamp rubber
may be customized with the customers' designs